Polygenic risk for neuroticism is associated with externalizing symptoms in 2-year-old boys

Prog Neuropsychopharmacol Biol Psychiatry. 2023 Apr 20;123:110720. doi: 10.1016/j.pnpbp.2023.110720. Epub 2023 Jan 14. ABSTRACT Recent advances in genome-wide association studies have enabled the estimation of genetic risk of complex traits, including neuroticism, with polygenic risk scores (PRS). Neuroticism PRS has been associated with psychiatric disorders and symptoms in adults, but…

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STAGETOOL, a Novel Automated Approach for Mouse Testis Histological Analysis

Endocrinology. 2022 Dec 19;164(2):bqac202. doi: 10.1210/endocr/bqac202. ABSTRACT Spermatogenesis is a complex differentiation process that takes place in the seminiferous tubules. A specific organization of spermatogenic cells within the seminiferous epithelium enables a synchronous progress of germ cells at certain steps of differentiation on the spermatogenic pathway. This can be observed…

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Intermitochondrial cement (IMC) harbors piRNA biogenesis machinery and exonuclease domain-containing proteins EXD1 and EXD2 in mouse spermatocytes

Andrology. 2023 May;11(4):710-723. doi: 10.1111/andr.13361. Epub 2023 Jan 9. ABSTRACT BACKGROUND: Germ granules are large cytoplasmic ribonucleoprotein complexes that emerge in the germline to participate in RNA regulation. The two most prominent germ granules are the intermitochondrial cement (IMC) in meiotic spermatocytes and the chromatoid body (CB) in haploid round…

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Long-term residential sunlight exposure associated with cognitive function among adults residing in Finland

Sci Rep. 2022 Dec 2;12(1):20818. doi: 10.1038/s41598-022-25336-6. ABSTRACT While sunlight may influence cognitive function through several pathways, associations of residential sunlight exposure with cognitive function are not well known. We evaluated associations of long-term residential sunlight exposure with cognitive function among a representative cohort of 1838 Finnish adults residing in…

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Environmental toxicants and male fertility

Best Pract Res Clin Obstet Gynaecol. 2023 Feb;86:102298. doi: 10.1016/j.bpobgyn.2022.102298. Epub 2022 Dec 17. ABSTRACT Semen quality has declined especially among Western men. Experimental and epidemiological studies have shown potential links between exposure to environmental toxicants and poor male fertility. Some environmental exposures in utero can disrupt fetal testicular function…

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Maternal psychological distress associates with alterations in resting-state low-frequency fluctuations and distal functional connectivity of the neonate medial prefrontal cortex

Eur J Neurosci. 2023 Jan;57(2):242-257. doi: 10.1111/ejn.15882. Epub 2022 Dec 17. ABSTRACT Prenatal stress exposure (PSE) has been observed to exert a programming effect on the developing infant brain, possibly with long-lasting consequences on temperament, cognitive functions and the risk for developing psychiatric disorders. Several prior studies have revealed that…

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Residential green environments are associated with human milk oligosaccharide diversity and composition

Sci Rep. 2023 Jan 5;13(1):216. doi: 10.1038/s41598-022-27317-1. ABSTRACT Increased exposure to greener environments has been suggested to lead to health benefits in children, but the associated mechanisms in early life, particularly via biological mediators such as altered maternal milk composition, remain largely unexplored. We investigated the associations between properties of…

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Parenthood and changes in physical activity from early adulthood to mid-life among Finnish adults

Scand J Med Sci Sports. 2023 May;33(5):682-692. doi: 10.1111/sms.14293. Epub 2023 Jan 4. ABSTRACT This study examined longitudinal associations between parenthood-related factors and physical activity from young adulthood to midlife over a 19-year follow-up period. Participants (n = 761) at the ongoing Cardiovascular Risk in Young Finns Study responded to…

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Implicating genes, pleiotropy, and sexual dimorphism at blood lipid loci through multi-ancestry meta-analysis

Genome Biol. 2022 Dec 27;23(1):268. doi: 10.1186/s13059-022-02837-1. ABSTRACT BACKGROUND: Genetic variants within nearly 1000 loci are known to contribute to modulation of blood lipid levels. However, the biological pathways underlying these associations are frequently unknown, limiting understanding of these findings and hindering downstream translational efforts such as drug target discovery.

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